./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1bb208da-8a86-4df1-8c9f-54bbea78f3ff/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1bb208da-8a86-4df1-8c9f-54bbea78f3ff/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1bb208da-8a86-4df1-8c9f-54bbea78f3ff/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1bb208da-8a86-4df1-8c9f-54bbea78f3ff/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1bb208da-8a86-4df1-8c9f-54bbea78f3ff/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1bb208da-8a86-4df1-8c9f-54bbea78f3ff/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 40fed9ba382e53b697a1093810870166e2d037a9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:30:19,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:30:19,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:30:19,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:30:19,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:30:19,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:30:19,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:30:19,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:30:19,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:30:19,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:30:19,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:30:19,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:30:19,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:30:19,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:30:19,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:30:19,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:30:19,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:30:19,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:30:19,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:30:19,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:30:19,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:30:19,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:30:19,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:30:19,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:30:19,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:30:19,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:30:19,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:30:19,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:30:19,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:30:19,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:30:19,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:30:19,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:30:19,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:30:19,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:30:19,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:30:19,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:30:19,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:30:19,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:30:19,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:30:19,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:30:19,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:30:19,791 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1bb208da-8a86-4df1-8c9f-54bbea78f3ff/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:30:19,803 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:30:19,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:30:19,809 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:30:19,809 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:30:19,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:30:19,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:30:19,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:30:19,810 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:30:19,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:30:19,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:30:19,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:30:19,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:30:19,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:30:19,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:30:19,811 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:30:19,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:30:19,812 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:30:19,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:30:19,812 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:30:19,812 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:30:19,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:30:19,813 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:30:19,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:30:19,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:30:19,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:30:19,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:30:19,814 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:30:19,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:30:19,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:30:19,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1bb208da-8a86-4df1-8c9f-54bbea78f3ff/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40fed9ba382e53b697a1093810870166e2d037a9 [2019-11-26 02:30:19,993 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:30:20,007 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:30:20,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:30:20,012 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:30:20,013 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:30:20,014 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1bb208da-8a86-4df1-8c9f-54bbea78f3ff/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2019-11-26 02:30:20,071 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1bb208da-8a86-4df1-8c9f-54bbea78f3ff/bin/ukojak/data/d0c219360/e948e2a4a73d410184b47262345dcfc6/FLAG87ab3da0e [2019-11-26 02:30:20,556 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:30:20,556 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1bb208da-8a86-4df1-8c9f-54bbea78f3ff/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2019-11-26 02:30:20,580 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1bb208da-8a86-4df1-8c9f-54bbea78f3ff/bin/ukojak/data/d0c219360/e948e2a4a73d410184b47262345dcfc6/FLAG87ab3da0e [2019-11-26 02:30:20,876 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1bb208da-8a86-4df1-8c9f-54bbea78f3ff/bin/ukojak/data/d0c219360/e948e2a4a73d410184b47262345dcfc6 [2019-11-26 02:30:20,879 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:30:20,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:30:20,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:30:20,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:30:20,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:30:20,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:30:20" (1/1) ... [2019-11-26 02:30:20,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e7e641a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:20, skipping insertion in model container [2019-11-26 02:30:20,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:30:20" (1/1) ... [2019-11-26 02:30:20,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:30:20,936 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:30:21,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:30:21,271 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:30:21,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:30:21,390 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:30:21,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:21 WrapperNode [2019-11-26 02:30:21,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:30:21,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:30:21,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:30:21,391 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:30:21,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:21" (1/1) ... [2019-11-26 02:30:21,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:21" (1/1) ... [2019-11-26 02:30:21,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:30:21,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:30:21,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:30:21,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:30:21,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:21" (1/1) ... [2019-11-26 02:30:21,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:21" (1/1) ... [2019-11-26 02:30:21,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:21" (1/1) ... [2019-11-26 02:30:21,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:21" (1/1) ... [2019-11-26 02:30:21,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:21" (1/1) ... [2019-11-26 02:30:21,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:21" (1/1) ... [2019-11-26 02:30:21,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:21" (1/1) ... [2019-11-26 02:30:21,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:30:21,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:30:21,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:30:21,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:30:21,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1bb208da-8a86-4df1-8c9f-54bbea78f3ff/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:30:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:30:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-26 02:30:21,553 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-26 02:30:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-26 02:30:21,553 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-26 02:30:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-26 02:30:21,554 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-26 02:30:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-26 02:30:21,554 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-26 02:30:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-26 02:30:21,554 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-26 02:30:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-11-26 02:30:21,555 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-11-26 02:30:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-26 02:30:21,555 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-26 02:30:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:30:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-26 02:30:21,556 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-26 02:30:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:30:21,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:30:22,525 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:30:22,525 INFO L284 CfgBuilder]: Removed 38 assume(true) statements. [2019-11-26 02:30:22,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:30:22 BoogieIcfgContainer [2019-11-26 02:30:22,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:30:22,527 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:30:22,527 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:30:22,539 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:30:22,539 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:30:22" (1/1) ... [2019-11-26 02:30:22,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:30:22,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:22,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 60 states and 80 transitions. [2019-11-26 02:30:22,603 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2019-11-26 02:30:22,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 02:30:22,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:22,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:30:22,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:22,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 78 transitions. [2019-11-26 02:30:22,880 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2019-11-26 02:30:22,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-26 02:30:22,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:22,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:30:22,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:23,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 62 states and 81 transitions. [2019-11-26 02:30:23,001 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2019-11-26 02:30:23,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-26 02:30:23,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:23,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:30:23,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:23,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2019-11-26 02:30:23,312 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2019-11-26 02:30:23,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 02:30:23,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:23,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:30:24,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:24,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 85 states and 129 transitions. [2019-11-26 02:30:24,186 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 129 transitions. [2019-11-26 02:30:24,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 02:30:24,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:24,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:30:25,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:25,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 100 states and 165 transitions. [2019-11-26 02:30:25,521 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 165 transitions. [2019-11-26 02:30:25,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-26 02:30:25,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:25,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:30:25,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:25,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 102 states and 167 transitions. [2019-11-26 02:30:25,650 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 167 transitions. [2019-11-26 02:30:25,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-26 02:30:25,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:25,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:30:25,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:25,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 110 states and 183 transitions. [2019-11-26 02:30:25,817 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 183 transitions. [2019-11-26 02:30:25,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-26 02:30:25,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:25,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:26,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:26,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 115 states and 193 transitions. [2019-11-26 02:30:26,017 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 193 transitions. [2019-11-26 02:30:26,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-26 02:30:26,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:26,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:26,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:26,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 116 states and 194 transitions. [2019-11-26 02:30:26,077 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 194 transitions. [2019-11-26 02:30:26,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-26 02:30:26,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:26,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:30:26,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:26,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 123 states and 209 transitions. [2019-11-26 02:30:26,397 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 209 transitions. [2019-11-26 02:30:26,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-26 02:30:26,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:26,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:30:26,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:26,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 125 states and 214 transitions. [2019-11-26 02:30:26,784 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 214 transitions. [2019-11-26 02:30:26,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-26 02:30:26,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:26,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:30:26,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:26,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 123 states and 208 transitions. [2019-11-26 02:30:26,847 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 208 transitions. [2019-11-26 02:30:26,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-26 02:30:26,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:26,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:27,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:27,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 124 states and 210 transitions. [2019-11-26 02:30:27,068 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 210 transitions. [2019-11-26 02:30:27,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-26 02:30:27,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:27,434 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:30:28,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:28,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 127 states and 218 transitions. [2019-11-26 02:30:28,134 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 218 transitions. [2019-11-26 02:30:28,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-26 02:30:28,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:28,185 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:28,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:28,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 135 states and 234 transitions. [2019-11-26 02:30:28,920 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 234 transitions. [2019-11-26 02:30:28,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-26 02:30:28,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:29,024 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:29,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:29,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 141 states and 250 transitions. [2019-11-26 02:30:29,505 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 250 transitions. [2019-11-26 02:30:29,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:30:29,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:29,553 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:29,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:29,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 139 states and 246 transitions. [2019-11-26 02:30:29,588 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 246 transitions. [2019-11-26 02:30:29,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-26 02:30:29,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:29,638 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:30,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:30,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 141 states and 251 transitions. [2019-11-26 02:30:30,004 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 251 transitions. [2019-11-26 02:30:30,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-26 02:30:30,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:30,051 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:30:30,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:30,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 144 states and 254 transitions. [2019-11-26 02:30:30,334 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 254 transitions. [2019-11-26 02:30:30,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-26 02:30:30,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:30,366 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-26 02:30:32,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:32,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 156 states and 282 transitions. [2019-11-26 02:30:32,049 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 282 transitions. [2019-11-26 02:30:32,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-26 02:30:32,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:32,110 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-26 02:30:33,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:33,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 167 states and 314 transitions. [2019-11-26 02:30:33,611 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 314 transitions. [2019-11-26 02:30:33,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-26 02:30:33,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:33,641 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:34,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:34,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 173 states and 329 transitions. [2019-11-26 02:30:34,480 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 329 transitions. [2019-11-26 02:30:34,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-26 02:30:34,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:34,633 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:35,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:35,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 176 states and 330 transitions. [2019-11-26 02:30:35,151 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 330 transitions. [2019-11-26 02:30:35,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-26 02:30:35,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:35,196 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:30:36,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:36,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 184 states and 343 transitions. [2019-11-26 02:30:36,489 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 343 transitions. [2019-11-26 02:30:36,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-26 02:30:36,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:36,518 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-26 02:30:36,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:36,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 187 states and 347 transitions. [2019-11-26 02:30:36,885 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 347 transitions. [2019-11-26 02:30:36,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-26 02:30:36,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:36,921 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-26 02:30:36,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:36,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 188 states and 348 transitions. [2019-11-26 02:30:36,947 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 348 transitions. [2019-11-26 02:30:36,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-26 02:30:36,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:36,992 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-26 02:30:37,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:37,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 146 states and 241 transitions. [2019-11-26 02:30:37,962 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 241 transitions. [2019-11-26 02:30:37,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-26 02:30:37,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:37,991 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-26 02:30:38,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:38,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 148 states and 244 transitions. [2019-11-26 02:30:38,015 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 244 transitions. [2019-11-26 02:30:38,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-26 02:30:38,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:38,044 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-26 02:30:38,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:38,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 149 states and 245 transitions. [2019-11-26 02:30:38,082 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 245 transitions. [2019-11-26 02:30:38,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-26 02:30:38,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:30:38,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:30:38,112 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-26 02:30:38,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:30:38,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 71 states and 88 transitions. [2019-11-26 02:30:38,165 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2019-11-26 02:30:38,165 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:30:38,165 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2019-11-26 02:30:38,178 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-26 02:30:38,527 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:30:38,531 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:30:38,532 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-26 02:30:38,536 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:30:38,536 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:30:38,536 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:30:38,536 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-11-26 02:30:38,539 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:30:38,542 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:30:38,542 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:30:38,542 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-11-26 02:30:38,545 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:30:38,545 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-26 02:30:38,545 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:30:38,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:30:38 ImpRootNode [2019-11-26 02:30:38,546 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:30:38,547 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:30:38,547 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:30:38,547 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:30:38,548 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:30:22" (3/4) ... [2019-11-26 02:30:38,558 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:30:38,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-11-26 02:30:38,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-26 02:30:38,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-26 02:30:38,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-11-26 02:30:38,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-26 02:30:38,567 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-26 02:30:38,567 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-26 02:30:38,567 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2019-11-26 02:30:38,582 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2019-11-26 02:30:38,583 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-26 02:30:38,585 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-26 02:30:38,585 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:30:38,586 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:30:38,586 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:30:38,587 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:30:38,633 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || 0 == systemActive) || !(pumpRunning == 0) [2019-11-26 02:30:38,634 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-11-26 02:30:38,706 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1bb208da-8a86-4df1-8c9f-54bbea78f3ff/bin/ukojak/witness.graphml [2019-11-26 02:30:38,707 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:30:38,709 INFO L168 Benchmark]: Toolchain (without parser) took 17828.28 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 486.0 MB). Free memory was 952.8 MB in the beginning and 1.4 GB in the end (delta: -432.9 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:30:38,709 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:30:38,710 INFO L168 Benchmark]: CACSL2BoogieTranslator took 509.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 947.4 MB in the beginning and 1.1 GB in the end (delta: -188.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:30:38,710 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:30:38,710 INFO L168 Benchmark]: Boogie Preprocessor took 39.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:30:38,711 INFO L168 Benchmark]: RCFGBuilder took 1035.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 87.3 MB). Peak memory consumption was 87.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:30:38,711 INFO L168 Benchmark]: CodeCheck took 16019.84 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 326.6 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -353.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:30:38,712 INFO L168 Benchmark]: Witness Printer took 160.00 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:30:38,714 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 60 locations, 1 error locations. Result: SAFE, OverallTime: 15.5s, OverallIterations: 31, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -230237788 SDtfs, 630378812 SDslu, 1604522796 SDs, 0 SdLazy, -1355143732 SolverSat, -1920150652 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13627 GetRequests, 13326 SyntacticMatches, 57 SemanticMatches, 244 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24327 ImplicationChecksByTransitivity, 11.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1282 NumberOfCodeBlocks, 1282 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 1252 ConstructedInterpolants, 0 QuantifiedInterpolants, 115069 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 24 PerfectInterpolantSequences, 355/381 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 778]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || 0 == systemActive) || !(pumpRunning == 0) - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: !(0 == tmp) || methaneLevelCritical == tmp - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 509.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 947.4 MB in the beginning and 1.1 GB in the end (delta: -188.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1035.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 87.3 MB). Peak memory consumption was 87.3 MB. Max. memory is 11.5 GB. * CodeCheck took 16019.84 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 326.6 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -353.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 160.00 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...